Topological insulators revisited: a space group view on classification procedures and defect phenomena
Event details
| Date | 29.04.2016 |
| Hour | 11:00 |
| Speaker |
Robert-Jan SLAGER Lorentz Institute for Theoretical Physics Leiden University, NL |
| Location |
CH A3 30
|
| Category | Conferences - Seminars |
Topological insulators have been in the forefront of condensed matter for more than a decade,
culminating in a very active field that is concerned with the search of novel and experimentally viable
forms of exciting topological order. In this talk I will revisit the concept of the topological insulator
from the perspective of the necessarily present space group symmetries and motivate the resulting
consequences by analyzing the response to the unique probe of the translational symmetry breaking by
the underlying lattice: the dislocation. In addition to giving rise to many new physical consequences,
that go beyond the standard lore associated with the conventional edge states and elucidate the obtained
classification scheme, I will show that these results also provide a route towards
culminating in a very active field that is concerned with the search of novel and experimentally viable
forms of exciting topological order. In this talk I will revisit the concept of the topological insulator
from the perspective of the necessarily present space group symmetries and motivate the resulting
consequences by analyzing the response to the unique probe of the translational symmetry breaking by
the underlying lattice: the dislocation. In addition to giving rise to many new physical consequences,
that go beyond the standard lore associated with the conventional edge states and elucidate the obtained
classification scheme, I will show that these results also provide a route towards
Practical information
- Expert
- Free
Organizer
- Oleg Yazyev